/*
 *  Copyright 2005 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.internal;

import static org.mybatis.generator.internal.util.messages.Messages.getString;

import java.io.File;
import java.util.StringTokenizer;

import org.mybatis.generator.api.ShellCallback;
import org.mybatis.generator.exception.ShellException;

/**
 * @author Jeff Butler
 */
public class DefaultShellCallback implements ShellCallback {
	private boolean overwrite;

	/**
     *  
     */
	public DefaultShellCallback(boolean overwrite) {
		super();
		this.overwrite = overwrite;
	}

	public File getDirectory(String targetProject, String targetPackage) throws ShellException {
		// targetProject is interpreted as a directory that must exist
		//
		// targetPackage is interpreted as a sub directory, but in package
		// format (with dots instead of slashes). The sub directory will be
		// created
		// if it does not already exist

		File project = new File(targetProject);
		if (!project.isDirectory()) {
			throw new ShellException(getString("Warning.9", //$NON-NLS-1$
					targetProject));
		}

		StringBuilder sb = new StringBuilder();
		StringTokenizer st = new StringTokenizer(targetPackage, "."); //$NON-NLS-1$
		while (st.hasMoreTokens()) {
			sb.append(st.nextToken());
			sb.append(File.separatorChar);
		}

		File directory = new File(project, sb.toString());
		if (!directory.isDirectory()) {
			boolean rc = directory.mkdirs();
			if (!rc) {
				throw new ShellException(getString("Warning.10", //$NON-NLS-1$
						directory.getAbsolutePath()));
			}
		}

		return directory;
	}

	public void refreshProject(String project) {
		// nothing to do in the default shell callback
	}

	public boolean isMergeSupported() {
		return false;
	}

	public boolean isOverwriteEnabled() {
		return overwrite;
	}

	public String mergeJavaFile(String newFileSource, String existingFileFullPath, String[] javadocTags)
			throws ShellException {
		throw new UnsupportedOperationException();
	}
}
